refactor: jack proto-lib

src/jack/device.rs

@@ -0,0 +1,29 @@
+use super::*;
+
+/// A Device bound to a JACK client and a set of ports.
+pub struct JackDevice {
+    /// The active JACK client of this device.
+    pub client: DynamicAsyncClient,
+    /// The device state, encapsulated for sharing between threads.
+    pub state:  Arc<Mutex<Box<dyn Device>>>,
+    /// Unowned copies of the device's JACK ports, for connecting to the device.
+    /// The "real" readable/writable `Port`s are owned by the `state`.
+    pub ports:  UnownedJackPorts,
+}
+ports!(JackDevice {
+    audio: {
+        ins:  |s|Ok(s.ports.audio_ins.values().collect()),
+        outs: |s|Ok(s.ports.audio_outs.values().collect()),
+    }
+    midi: {
+        ins:  |s|Ok(s.ports.midi_ins.values().collect()),
+        outs: |s|Ok(s.ports.midi_outs.values().collect()),
+    }
+});
+impl JackDevice {
+    /// Returns a locked mutex of the state's contents.
+    pub fn state (&self) -> MutexGuard<Box<dyn Device>> {
+        self.state.lock().unwrap()
+    }
+}
+